Which is the primary challenge in widespread use of biodiesel fuel?

cost

greenhouse gases

infrastructure

technology

waste products

Monica wants to sell her stuffed animal collection online. Her plan is to organize them alphabetically, then use the Internet to look up the value of each stuffed animal one by one.

What role does the cabinet play in government?

The map above demonstrates which of the following about the Indian Ocean trade

The word reform has a positive connotation, as an effort to make things better. yet many mid-nineteenth century americans viewed some "reforms," such as abolitionism and women's rights, as destructive to social order;

How we will be talent in mathematics?

Allegra is a business executive who has been experiencing a great deal of stress over an upcoming merger. Her boss is worried that she is going to make herself really sick which will only lead to more problems for her and the company.

How many words do children learn each day, after age 2? a) 15 b) 1 c) 10 d) 5

What is free oxygen?

Liyah gets $5 for every "A" she receives on her report card. This situation BEST demonstrates which? A) spontaneous recovery B) primary reinforcement C) classical conditioning D) operant conditioning E) observational learning

Predict how the Mediterranean Sea and the continents will change in 100 million years